Castaway Paradise

You will need to do this to rebuild the Lighthouse and Viktoria's Mansion. There are 5 Gates available (all lead to and are on the Western Island) and each will cost you 9 Puzzle Pieces. Puzzle Pieces are earned through completing quests and/or buying them from the store for 2,000 coins each. As soon as any of the gates has been rebuilt, the trophy will unlock.

If you want to do this quickly by buying Puzzle Pieces from the store, see More room to fill! for a quick and easy way to earn a lot of coins in a short period of time.